The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-022-5964, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Chromalox Inc Dba Chromalox Precision Heat and Control, Inc. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-022-5964 |
| Primary Part Number | 171-881145-002 |
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc |
| Status | ACTIVE |
| Shielding Length | 6.000 INCHES NOMINAL IN |
| Terminal Quantity | 2 |
| Voltage in Volts and Current Type | 24.0 DC SINGLE VOLTAGE |
| Body Style | STRIP, WEDGE |
| Maximum Wattage Rating in Watts | 14500.0 SINGLE VOLTAGE |
| Terminal Length | 6.250 INCHES NOMINAL IN |
| Element Connection Style | SHIELDED WIRE LEAD |
| Heat Quantity | 1 |
| Terminal Arrangement Style | IN LINE (TANDEM) AT ONE END |
| Element Radiation Spectrum | NONINFRARED |
| Material | CHROMIUM AND NICKEL RESISTANCE WIRE |
| Material | RUBBER SYNTHETIC RESISTANCE WIRE EMBEDDING/SUPPORT INSULATION |
| Material | GLASS FIBER SHEATH |
| Element Quantity | 1 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 171-881145-002 PRIMARY | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA) |
| 77C712646P2 | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 77C712646 | D/9 Drawing number reference only Lockheed Martin Corporation Div Rms |
NSN 4520-01-022-5964 is a Heating Element,electrical,nonim, manufactured by Chromalox Inc Dba Chromalox Precision Heat and Control, Inc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-022-5964 has 2 manufacturer part numbers on file: 171-881145-002 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), 77C712646P2 (Lockheed Martin Corporation Div Rms).
Key specifications for 171-881145-002: Shielding Length: 6.000 INCHES NOMINAL IN; Terminal Quantity: 2; Voltage in Volts and Current Type: 24.0 DC SINGLE VOLTAGE; Body Style: STRIP, WEDGE. 14 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.